Green, S. W., & Wolf, I. K. (2001). Barron's how to prepare for the GRE test (14th ed.). Galgotia Publishers Pvt. Ltd.
Dyfyniad Arddull ChicagoGreen, Sharon Weiner, and Ira K. Wolf. Barron's How to Prepare for the GRE Test. 14th ed. New Delhi: Galgotia Publishers Pvt. Ltd, 2001.
Dyfyniad MLAGreen, Sharon Weiner, and Ira K. Wolf. Barron's How to Prepare for the GRE Test. 14th ed. Galgotia Publishers Pvt. Ltd, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.